September weather forecastToliara, Madagascar
September
Weather in September
September marks the end of the cool, dry season with a slight increase in the average temperature and rainfall in Toliara. The sea temperature increases to a comfortable 24.7°C (76.5°F) compared to August's 24.3°C (75.7°F), beckoning beachgoers back to the coastal waters. The winds remain constant, providing relief from the increasing daytime temperatures. The city experiences an increase in daylight hours with the approach of the warmer months. Overall, the weather remains pleasant with a typical tropical ambiance, making September an excellent time to visit Toliara.Temperature
Toliara's average high-temperature in September sits at a still warm 28.7°C (83.7°F), showing little difference from the previous month. Toliara records an average nighttime low-temperature of 20.7°C (69.3°F) throughout September.Heat index
In September, the heat index is appraised at a tropical 31°C (87.8°F). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
July and September, with an average relative humidity of 62%, are the least humid months.Rainfall
In Toliara, in September, during 2.3 rainfall days, 6mm (0.24") of precipitation is typically accumulated. In Toliara, Madagascar, during the entire year, the rain falls for 93.8 days and collects up to 297mm (11.69") of precipitation.Sea temperature
In September, the average sea temperature is 24.7°C (76.5°F).Note: The allure of a swim in 24.7°C (76.5°F) waters can be influenced by your feelings towards the cold, today's sunshine, the wind's touch, and the ambient warmth. To put it in perspective, Olympic standards demand water temperatures of 25°C (77°F) to 28°C (82.4°F).
Daylight
The average length of the day in September is 11h and 58min.On the first day of September, sunrise is at 06:15 and sunset at 17:54. On the last day of the month, sunrise is at 05:46 and sunset at 18:04 EAT.
Sunshine
In Toliara, the average sunshine in September is 9.4h.UV index
The months with the highest UV index are January through March, September through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 7 during September leads to these instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Notice! Sand and water reflections contribute to a stronger UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Toliara, Madagascar
- Average high temperature in September: 28.7°C
The warmest month (with the highest average high temperature) is January (31.5°C).
The month with the lowest average high temperature is July (25.8°C).
- Average low temperature in September: 20.7°C
The month with the highest average low temperature is January (25.8°C).
The coldest month (with the lowest average low temperature) is July (18.8°C).
Average pressure in September
Toliara, Madagascar
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is January (1009.4mbar).
Average wind speed in September
Toliara, Madagascar
- Average wind speed in September: 17.2km/h
The windiest month (with the highest average wind speed) is November (19km/h).
The calmest months (with the lowest average wind speed) are March and May (15.6km/h).
Average humidity in September
Toliara, Madagascar
- Average humidity in September: 62%
The months with the highest relative humidity are February and March (70%).
The months with the lowest relative humidity are July and September (62%).
Average rainfall in September
Toliara, Madagascar
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is January (89mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in September
Toliara, Madagascar
- Average rainfall days in September: 2.3 days
The month with the highest number of rainy days is January (20 days).
The month with the least rainy days is August (1.3 days).
Average sea temperature in September
Toliara, Madagascar
- Average sea temperature in September: 24.7°C
The best month for swimming (with the highest average sea temperature) is January (29°C).
The coldest month (with the lowest average sea temperature) is July (23.9°C).
Average daylight in September /
Average sunshine in September
Toliara, Madagascar
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in September: 9h and 24min
The months with the most sunshine are October and November (Average sunshine: 12h and 0min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).
Average sunshine days in September
Toliara, Madagascar
- Average sunshine days in September: 27.1 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is January (9.5 days).
Average UV index in September
Toliara, Madagascar
- Average UV index in September: 7
The months with the highest UV index are January, February, March, September, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July and August (UV index 6).
Average cloud cover in September
Toliara, Madagascar
- Average cloud cover in September: 7
The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 7).
Average visibility in September
Toliara, Madagascar
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
